Odpowiedź:
a)
(7/8)² = 7/8 * 7/8 = 49/64
b)
(2 1/4)² = (9/4)² = 81/16 = 5 1/16
c)
(2/5)³ = 2/5 * 2/5 * 2/5 = 8/125
d)
(1 1/5)³ = (6/5)³ = 216/125 = 1 91/125
Szczegółowe wyjaśnienie:
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Odpowiedź:
a)
(7/8)² = 7/8 * 7/8 = 49/64
b)
(2 1/4)² = (9/4)² = 81/16 = 5 1/16
c)
(2/5)³ = 2/5 * 2/5 * 2/5 = 8/125
d)
(1 1/5)³ = (6/5)³ = 216/125 = 1 91/125
Szczegółowe wyjaśnienie: